Colina in context: Street-network sprawl trends

Colina in context

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
ColinaSantiago Metropolitan (Region)Chile (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Colina plotted against Santiago Metropolitan and Chile. The SNDi of new construction in Colina peaked in 1976-1990, compared to Santiago Metropolitan which followed a zig-zag trend with an overall increase and Chile which followed a zig-zag trend with an overall increase. Most recently, Colina's incremental SNDi fell from 3.64 to 3.48 between 1991-2005 and 2006-2020. In terms of the aggregate network, Colina ranked 3rd out of 5 cities in Santiago Metropolitan and 31st out of 38 in Chile as of 2020.

New Street Additions (2006–2020)

SNDi value
3.48
Rank in Chile
20th of 38
Rank in Santiago Metropolitan
2nd of 5

Entire Network (Aggregate)

SNDi value
3.52
Rank in Chile
31st of 38
Rank in Santiago Metropolitan
3rd of 5

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
ColinaKouroussaTena

While Kouroussa and Tena both fluctuated in its street-construction patterns, Colina built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. For the full network, Colina grew more disconnected from 1975 through 1991-2005, then improved, while Kouroussa became progressively more disconnected and Tena fluctuated in connectivity. Colina and Kouroussa have been converging in their street-network character since 1975.